CN104620154B - Display panel, display device and manufacture method - Google Patents

Display panel, display device and manufacture method Download PDF

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Publication number
CN104620154B
CN104620154B CN201380047752.7A CN201380047752A CN104620154B CN 104620154 B CN104620154 B CN 104620154B CN 201380047752 A CN201380047752 A CN 201380047752A CN 104620154 B CN104620154 B CN 104620154B
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China
Prior art keywords
display panel
electrode
soft material
display
display element
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Expired - Fee Related
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CN201380047752.7A
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Chinese (zh)
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CN104620154A (en
Inventor
杉田靖博
井上威郎
井上威一郎
山口典昭
宫崎亚希子
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Sharp Corp
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Sharp Corp
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Publication of CN104620154A publication Critical patent/CN104620154A/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display devices
    • G09G2300/023—Display panel composed of stacked panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0404—Matrix technologies
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0421—Structural details of the set of electrodes
    • G09G2300/0426—Layout of electrodes and connections
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0252—Improving the response speed

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Liquid Crystal (AREA)
  • Dispersion Chemistry (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

In order to provide high light utilization ratio, low consumption electric power can high-speed response and low cost display panel, possess：Soft material layer (101), the soft material layer (101) is arranged between transparency carrier (104) and TFT substrate (105), is stretched according to applying to the voltage of itself；Pixel electrode (102), the pixel electrode (102) has the flexibility integratedly stretched with soft material layer (101)；With upper electrode (103).

Description

Display panel, display device and manufacture method
Technical field
The present invention relates to the display panel of display image and the display device for possessing display panel.In addition, being related to display figure The manufacture method of the display panel of picture.
Background technology
In recent years, it is desirable to the technology for reducing the consumption electric power of liquid crystal display device.The liquid crystal display device being widely known by the people, Image is carried out using display panel to show, the display panel possesses the Polarizer for making the light polarization from light source and orientation basis The liquid crystal for applying voltage and changing, possesses the construction of Polarizer with display panel.Light from light source, due to through above-mentioned Polarizer and decay, light utilization ratio reduction.Therefore, in order that light utilization ratio improves, reduces consumption electric power, develop The liquid crystal display device of Polarizer is not needed.
For example, in patent document 1, as the technology for solving above-mentioned technical problem, disclosing using such as Figure 14 institutes Show, shape is according to applying voltage and the liquid crystal elastic body that changes, come the technology of the aperture opening ratio that controls display panel.
Prior art literature
Patent document
Patent document 1:WO-2011-016265-A1
The content of the invention
The invention technical problem to be solved
But, according to the display panel of above-mentioned patent document 1, although raising and the consumption electricity of light utilization ratio can be realized The reduction of power, but response speed has room for improvement.In addition, it is necessary to high-precision liquid in the display panel of patent document 1 Brilliant tropism control, therefore, there is the technical problem that manufacturing process complicates.
The present invention is made to solve above-mentioned technical problem, and its main purpose, which is to provide, to be avoided manufacturing work While the complication of sequence, the display panel that light utilization ratio and response speed are improved.
Means for solving technical problem
In order to solve above-mentioned technical problem, the display panel of a mode of the invention possesses：Multiple grid bus；It is many Individual source bus line；And display element, the display element be arranged on by the arbitrary grid bus in above-mentioned multiple grid bus and The pixel region that arbitrary source bus line in above-mentioned multiple source bus lines delimited, above-mentioned display panel is characterised by, above-mentioned Display element possesses：Transistor, the transistor possesses grid and source electrode, and above-mentioned grid is connected with above-mentioned arbitrary grid bus, Above-mentioned source electrode is connected with above-mentioned arbitrary source bus line；First electrode, the first electrode is connected with the drain electrode of above-mentioned transistor；It is soft Material, the soft material is contiguously configured with above-mentioned first electrode, the voltage being applied according to itself and stretch；And second electrode, The second electrode is integratedly set in the opposite side of the side contacted with above-mentioned first electrode of above-mentioned soft material with above-mentioned soft material Put.
Invention effect
According to mode of the present invention, using the teaching of the invention it is possible to provide high light utilization ratio, low consumption electric power are capable of high-speed response Display panel.
Brief description of the drawings
Fig. 1 is the structure for representing the display element (pixel) that the display panel of the first embodiment of the present invention possesses Figure.
Fig. 2 is the figure of the structure for the display panel for possessing multiple display elements for representing the first embodiment of the present invention.
Fig. 3 is the figure of the structure for the display panel for possessing multiple display elements for representing the first embodiment of the present invention.
Fig. 4 is the active matrix knot for the display panel for possessing multiple display elements for representing the first embodiment of the present invention The figure of structure.
Fig. 5 is to represent to possess the display device of the display panel of the first embodiment of the present invention and possess the display device Electronic equipment integrally-built figure.
Fig. 6 is to represent display panel and light source or reflecting plate that the display device of the first embodiment of the present invention possesses The figure of structure.
Fig. 7 is the structure possessed in the case of colored filter for the display panel for representing the first embodiment of the present invention Figure.
Fig. 8 is the figure for the structure for representing the display element that the display panel of second embodiment of the present invention possesses.
Fig. 9 is the variation for the structure for representing the display element that the display panel of second embodiment of the present invention possesses Figure.
Figure 10 is the knot for representing the display element that the display panel and display panel of third embodiment of the present invention possess The figure of structure.
Figure 11 is, by materials classification, to represent respective driving principle, feature and problem (solution by general artificial muscle EAP Technical problem certainly) figure.
Figure 12 is driving force/density and the deformation for representing general dielectric polymer (dielectric polymer) EAP The figure of the relation of (strain) amount.
Figure 13 is the figure for the structure for representing IGZO TFT.
Figure 14 is the figure for the structure for representing the display element of the prior art for possessing liquid crystal elastic body.
Embodiment
The ＞ of ＜ embodiments 1
Hereinafter, referring to figs. 1 to Fig. 7, display panel to the first embodiment of the present invention, possess the aobvious of the display panel Showing device and the electronic equipment for possessing the display device are illustrated.
(electronic equipment)
Hereinafter, reference picture 4 and Fig. 5, to possessing the detailed of the electronic equipment 50 of the above-mentioned display panel 41 of present embodiment Situation is illustrated.In addition, as long as electronic equipment possesses the electronic equipment of the display device of display image, without special Limit.Such as portable phone, smart mobile phone, PDA (portable data assistance), e-book, notebook personal computer It can utilize.
Fig. 4 is the schematic diagram for representing to possess the active matrix structure of the display panel 41 of multiple display elements (pixel) 10.
Display panel 41 possesses multiple pixels, multiple gate lines (grid bus) G and multiple source signal line (data Bus, source bus line) S.
Multiple pixels delimited by multiple gate line G and multiple source signal line S.Multiple pixels are arranged to include multiple The so-called clathrate of pixel column and multiple pixel columns.
Multiple gate line G are set up in parallel in pixel column direction (along the direction of pixel column).Multiple gate line G Each grid electrical connection for the TFT106 that each display element 10 of pixel column corresponding with multiple pixel columns possesses.
Multiple source signal line S are set up in parallel in pixel row direction (along the direction of pixel column), are believed with multiple grids Each gate line G in number line G is orthogonal.The respective pixel columns corresponding with multiple pixel columns of multiple source signal line S The TFT106 that possesses of each display element 10 source electrode electrical connection.
Then, reference picture 5, the configuration example to the electronic equipment 50 of present embodiment is illustrated.Fig. 5 is to represent this implementation The integrally-built figure of the electronic equipment 50 of mode.
As shown in figure 5, electronic equipment 50 possesses display device 40 and system side control unit (control device) 30.In addition, such as Shown in Fig. 5, display device 40 possesses display panel 41, timing controller (control unit) 42, power circuit 43, upper electrode and driven Dynamic circuit 44, scan line drive circuit 45 and signal-line driving circuit 46.
In the present embodiment, as display device of the display device 40 using active array type.Thus, present embodiment Display panel 41 be active array type display panel, other above-mentioned inscapes are the structures for controlling the display panel Into key element.
In the example as shown in fig. 5, it is corresponding in multiple pixels of N row × M rows arranging with being provided with display panel 41 Ground, is provided with N bar source signal line S and M bar gate lines G.
(scan line drive circuit)
Scan line drive circuit 45 selects multiple gate line G to be scanned successively.Specifically, scanning line driving electricity Road 45 selects multiple gate line G successively, the gate line G of selection is supplied for will be each on gate line G The switch element (TFT) that pixel possesses switches to the conducting voltage of conducting.
(signal-line driving circuit)
Signal-line driving circuit 46, in gate line G selected periods, to each pixel on gate line G, Source signal corresponding with view data is supplied from corresponding source signal line S.Specifically illustrate, signal-line driving circuit 46 according to the picture signal being transfused to, and calculating should be to the voltage of the output of each pixel on selected gate line G Value, the voltage of the value is exported from source follower amplifier to each source signal line S.As a result, to selected gate line G On each pixel supply source signal, source signal is written into.
(upper electrode drive circuit)
Upper electrode drive circuit 44, is supplied to the upper electrode set in each pixel in a plurality of pixels for driving Move the defined voltage of the upper electrode.
(timing controller)
Timing controller (timing controller) 42 received image signals and control are believed from system side control unit 30 Number.Here, picture signal includes clock signal, synchronizing signal, viewdata signal etc..In addition, image can be moving image, It can also be rest image.
As represented in Figure 5 with solid arrow, 42 pairs of each drive circuits of timing controller are exported for each driving The various control signals acted circuit synchronization.
For example, timing controller 42 supplies grid start dialing signal, gate clock signal to scan line drive circuit 45 GCK and grid output control signal GOE.Scan line drive circuit 45 starts multiple grid when receiving grid start dialing signal Pole signal wire G scanning.Scan line drive circuit 45 is according to gate clock signal GCK and grid output control signal GOE, to each Gate line G supplies conducting voltage successively.
In addition, timing controller 42 exports source electrode start dialing signal, source electrode to signal-line driving circuit 46 latches gating Signal and source electrode clock signal.Signal-line driving circuit 46, based on source electrode start dialing signal, by the figure for each pixel being transfused to As data are stored in a register according to source electrode clock signal, gating signal is latched according to ensuing source electrode, each source electrode is believed Number line S supplies source signal corresponding with view data.
(power circuit)
As represented in Figure 5 with dotted arrow, power circuit 43 drives to scan line drive circuit 45, signal wire Circuit 46 and upper electrode drive circuit 44 are supplied respectively to voltage.
(system side control unit)
The output image signal of timing controller 42 and control signal that system side control unit 30 possesses to display device 40.
(on display element)
Then, the display element (pixel) 10 that the display panel 41 of present embodiment possesses is illustrated.Fig. 1 is signal Represent to property the sectional view of the structure for the display element 10 that the display panel 41 of present embodiment possesses.
In the following description, as shown in Fig. 1 (a), the direction parallel with display panel 41 with display element 10 is determined Justice is x-axis direction, and the direction vertical with display panel 41 is defined as into z-axis direction.In addition, the direction vertical with x/y plane is determined Justice is y-axis direction.In addition, the light of the expression image of display panel 41 also is referred to as into face side from the side that pixel is projected sometimes. Sometimes also rear side will be referred to as along the opposite side of z-axis relative to the above-mentioned face side of display panel 41.Sometimes also by display element The side corresponding with face side of 10 inside is referred to as top, and the inside of display element 10 side corresponding with rear side is claimed For bottom.
As shown in Fig. 1 (a), display element 10 possesses soft material layer 101, pixel electrode 102, upper electrode 103, transparent Substrate 104 and TFT substrate 105, soft material layer 101, pixel electrode 102 and upper electrode 103 be arranged on transparency carrier 104 with Between TFT substrate 105.
Upper electrode 103 is connected with upper electrode line (not shown) (also referred to as opposite electrode bus), by above-mentioned top 44 pairs of the electrode drive circuit upper electrode line applies voltage.
In addition, in the present embodiment, soft material layer 101 is transparent, i.e., with printing opacity more than defined light transmittance Rate, but this is not present embodiment to be defined or opaque.That is, even in the opaque softwood of use In the case of the bed of material 101, also aperture opening ratio can be adjusted by suitably changing the voltage applied to the soft material layer 101.
(light source on display device)
In the example depicted in figure 1, display device 40 possesses light source (not shown) in the rear side of display panel 41.Display Element 10 makes the light from above-mentioned light source pass through or interdict, in the face side display image (infiltration type) of display panel 41.Fig. 6 (a) be the display panel 41 for representing infiltration type structure figure.As shown in Fig. 6 (a), display device 40 is in display panel 41 Rear side possess backlight module 111, used as the light source of display element 10.
In addition, display panel 41 can also possess the structure that reflecting plate replaces above-mentioned light source using overleaf side.In the feelings Under condition, from the incident light of the face side of display panel 41 is by baffle reflection and projects to face side.Now, display element 10 makes Light after above-mentioned reflection is passed through or interdicted, in the face side display image (reflection-type) of display panel 41.Fig. 6 (b) is table Show the figure of the structure of the display panel 41 of reflection-type.As shown in Fig. 6 (b), rear side of the display device 40 in display panel 41 Possesses reflecting plate 112.In this case, display device 40 by from the light of the face side of display panel 41 transmission by reflecting plate 112 Light after reflection is used as the light source of display panel 41.
In the present embodiment, using infiltration type, but this is not that present embodiment is defined, and can also be used anti- Emitting.
(action on soft material)
As shown in Fig. 1 (b), soft material layer 101 is set with the upper contact of pixel electrode 102, is applied according to itself Plus voltage (potential difference for the voltage that voltage that upper electrode 103 is applied in is applied in pixel electrode 102), keeping substantially It is flexible in the direction (with x/y plane parallel direction) parallel with transparency carrier 104 while certain volume.
The upper electrode 103 with flexibility is provided with the top of soft material layer 101.Upper electrode 103 is according to softwood Stretching for the bed of material 101, integratedly stretches with soft material layer 101.In the example depicted in figure 1, upper electrode 103 uses black Pixel electrode.Hereinafter, the structure for not possessing colored filter is illustrated, but such can also possesses coloured silk using aftermentioned The structure of colo(u)r filter.
As shown in Fig. 1 (a), in the state of voltage is not applied to display element 10 when disconnection (when usual, power supply), The sectional area in the section parallel with x/y plane of soft material layer 101 and upper electrode 103 is minimum, therefore, and display element 10 is opened Mouth rate is maximum, and the lightness of the image shown by display element 10 is maximum.So, present embodiment has display element 10 Display panel, is the display panel of the maximum Chang Bai of aperture opening ratio in the state of without application voltage.
On the other hand, shown in such as Fig. 1 (b), deformed to greatest extent being applied with soft material layer 101 to display element 10 Voltage in the state of while applying (voltage), the section in the section parallel with x/y plane of soft material layer 101 and upper electrode 103 Product is maximum, is interrupted through the light of display element 10, and the lightness of the image shown by display element 10 is minimum.
The deflection for the soft material layer 101 that display element 10 possesses changes according to the magnitude of voltage being applied in.Signal wire drives Dynamic circuit 46 applies the magnitude of voltage calculated according to the picture signal being transfused to via source signal line S to display element 10, because This, in order to show the image with desired lightness, as long as applying corresponding voltage.
Patent Document 1 discloses the display panel using liquid crystal elastic body, but the deflection highest of liquid crystal elastic body For 20% or so, therefore, the aperture opening ratio of display panel is small, and the control of tonal gradation performance is difficult.On the other hand, in this embodiment party In formula, by controlling the flexible of soft material layer 101, the control of the aperture opening ratio of display panel 41 is carried out.Soft material layer 101 is provided with The upper electrode 103 integratedly stretched with itself, expeditiously can apply voltage to soft material layer 101, soft therefore, it is possible to make Material layer 101 is significantly stretched.Thus, in the display panel of present embodiment, the image that can show display panel 41 Tonal gradation performance improve.
(on display panel)
Fig. 2 (a) is the stereogram for schematically showing the display panel 41 for possessing multiple display elements 10.Fig. 2's (a) in, it illustrate only adjacent 3 display element 10 in multiple display elements 10.As shown in Fig. 2 (a), multiple display members Each display element 10 in part 10 is respectively arranged with soft material layer 101 and upper electrode 103.
As shown in Fig. 2 (b), when applying voltage to soft material layer 101 by pixel electrode 102 and upper electrode 103, Each soft material layer 101 extends while certain volume is kept in the direction parallel with x/y plane.
Fig. 3 is the sectional view for the structure for schematically showing the display panel 41 for possessing multiple display elements 10.In Fig. 3 In, illustrate 4 display elements 10 of the adjoining in multiple display elements 10.The drain electrode of TFT106 shown in Fig. 3 (a) and picture Plain electrode 102 is electrically connected via the contact hole (not shown) set in dielectric film 107.
As shown in Fig. 3 (b), when applying voltage to soft material layer 101, each soft material layer 101 is flat with x/y plane Capable direction elongation.Display panel 41 applies the flexible of caused soft material layer 101 by using by voltage, can control display The aperture opening ratio of element 10, changes display image.Now, by setting the voltage applied to each soft material layer 101, energy respectively Enough make the image of 1 amount of pixels of each display element 10 display mutually different.
(on EAP)
In the present embodiment, as the material of above-mentioned soft material layer 101, artificial muscle EAP is used.Figure 11 is by master The artificial muscle wanted represents the figure of respective driving principle, feature and problem by materials classification.Dielectric polymer EAP is except height Beyond speed response, high flexible feature, also with the transparency, therefore, the material of the soft material layer 101 of display element 10 is suitable as Material.
Figure 12 is the figure of the driving force/density and the relation of deformation (strain) amount that represent general EAP.
As shown in figure 12, it is as the maximum deformation quantity of EAP acrylic elastomer (acrylic elastomer) 400%, compared with other materials, with larger deflection.In addition, as the response characteristic to deformation, with 50kHz with On, with the feature that can be responded at high speed.
In the present embodiment, EAP variable quantity is improved required high voltage in order to apply, made using IGZO TFT For TFT106.
(on IGZO)
IGZO (registration mark) is one kind that oxide is partly led, and its composition formula is InGaZnOx.It is used as the oxidation for TFT Thing semiconductor is IGZO TFT using IGZO's.Figure 13 is the sectional view for the structure for schematically showing IGZO TFT.Such as Figure 13 Shown, IGZO TFT possess oxide semiconductor 61 (InGaZnO type oxides semiconductor), gate insulating film 62, transparent insulation Film 63, passivating film (Pass) 64, source electrode 65, etch stop layer 66 and grid (Gate) 67.
IGZO TFT are compared with Si classes TFT, with higher band gap (Si classes TFT：1.2V、IGZO TFT：About 3.3eV), Therefore, it is pressure-resistant with higher knot, therefore, it is possible to apply high voltage, the performance of display, particularly moving image can be made It can show and improve with tonal gradation.In addition, because high band gap, disconnection leakage current characteristic is excellent, can carry out ultralow frequency drive Dynamic (0.01Hz), can make the rest image such as e-book purposes and display during same with rest image homepage browse drives Dynamic consumption electric power is greatly reduced.In addition, it is big as the mobility ratio amorphous Si of the index for the mobile difficulty for representing electronics, can Transistor size is reduced, therefore, it is possible to improve aperture opening ratio.In addition, the mask number needed when making, such as polycrystalline Si is about 10 It is individual, and IGZO is 3 to 5, processing cost is low, therefore, it is possible to be realized with a low cost Performance Monitor.IGZO TFT are not required to Laser annealing is wanted, therefore, there is the features such as easy large screen compared with polycrystalline Si.
In the example shown in Fig. 3, soft material layer is used as by using the acrylic elastomer as artificial muscle EAP 101, realize the high-speed response of soft material layer 101.In addition, realizing high voltage as TFT106 by using IGZO TFT Application.According to said structure, the display for requiring the moving image of display at a high speed can be realized, make display element aperture opening ratio and Tonal gradation performance is improved.In addition, being driven by ultralow frequency, the consumption electric power of display driving can be reduced, can be realized super Low consumption power displays.In addition, acrylic elastomer is the simple structure being only made up of polymer, manufacturing cost is cheap, Also maximization is easily realized.In addition, also easily realizing the maximization of display as TFT106 by using IGZO TFT.
In addition, according to said structure, display panel 41 need not possess Polarizer, therefore, with conventional liquid crystal display Compare, light utilization ratio is improved, and can reduce the consumption electric power of backlight, can realize ultralow consumption electric power display. In addition, because being Chang Bai (power supply is passed through when disconnecting), transparent display can be realized.
(on possessing the structure of colored filter)
Fig. 7 is to represent the structure in the case of possessing colored filter in the display panel 41 of first embodiment Figure.As shown in fig. 7, each display element 10 possesses colored filter 108 between upper electrode 103 and transparency carrier 104. In example shown in Fig. 7, the colored filter 108 (a) of display panel 41 uses R (Red：It is red) optical filter, colorized optical filtering Piece 108 (b) uses G (Green：Green) optical filter, colored filter 108 (c) uses B (Blue：Blueness) optical filter.Such as Shown in Fig. 7, it is periodically arranged by making to possess the display element 10 of colored filter 108 of any color in RGB3 colors, The voltage of the application of soft material layer 101 to each display element 10 is controlled respectively, can realize that coloured image is showed.
As shown in fig. 7, when not applying voltage or power supply disconnection to display element 10, the soft material layer of display element 10 Sectional area on 101 x/y plane turns into minimum state.In this case, possess the assorted colored filters 108 of RGB The aperture opening ratio of each display element 10 is maximum, therefore, and the lightness of the image shown on display panel 41 is maximum, shows RGB3 color contaminations The white closed.
Equally, (the electricity in the state of the magnitude of voltage that soft material layer 101 is deformed to greatest extent is applied with to display element 10 When pressure applies), the sectional area on the x/y plane of soft material layer 101 is maximum.In this case, the colour assorted through possessing RGB The light of the display element 10 of optical filter 108 is interrupted, therefore, and the lightness of the image shown by display panel 41 is minimum.In addition, By the magnitude of voltage for controlling to apply each display element 10 respectively, color and the tone change for the pixel that display panel show can be made Change.
(effect of present embodiment)
In the present embodiment, the display panel used is characterised by possessing：The voltage that is applied according to itself and stretch The soft material layer 101 of contracting；With the upper electrode 103 integratedly flexible according to the flexible of above-mentioned soft material layer 101.By above-mentioned The flexible of soft material layer 101 controls aperture opening ratio, therefore, it is possible to realize the high-speed response, inexpensive and large-scale of display panel 41 Change.
The ＞ of ＜ embodiments 2
Hereinafter, reference picture 8 and Fig. 9, are illustrated to the display panel of second embodiment of the present invention.In addition, to say For the sake of bright convenience, there is the inscape of identical function for the inscape with first embodiment, identical symbol is assigned, The description thereof will be omitted.In the present embodiment, the main display element 10 ' illustrated as the big difference with first embodiment Structure.
(structure of display panel)
Fig. 8 is the section for the structure for schematically showing the display element 10 ' that the display panel 41 ' of present embodiment possesses Figure.X-axis direction, y-axis direction and the definition in z-axis direction and Fig. 1 of first embodiment in Fig. 8 is identical.Such as Fig. 8 (a) institute Show, display element 10 ' possesses soft material layer 101 ', pixel electrode 102, upper electrode 103, transparency carrier 104 and TFT substrate 105, soft material layer 101 ', pixel electrode 102 and upper electrode 103 are arranged between transparency carrier 104 and TFT substrate 105.
Upper electrode 103 is connected with upper electrode line (not shown), by 44 pairs above-mentioned of upper electrode drive circuit on this Portion's electrode wires apply voltage.
As shown in Fig. 8 (a), in the present embodiment, soft material layer 101 ' is not carried out patterning processing, relative to Multiple display elements 10 ' are integrally provided.That is, in display panel 41 ', relative to arbitrary display element 10 ' and with its phase Adjacent display element 10 ', is provided with integral soft material layer 101 '.The voltage that soft material layer 101 ' is applied according to itself, It is flexible in the direction (with x/y plane parallel direction) parallel with transparency carrier 104 while keeping substantially certain volume.
The upper electrode 103 with flexibility is provided with the top of soft material layer 101 '.To in multiple display elements 10 ' Each display element 10 ' be respectively arranged with upper electrode 103.Upper electrode 103 is flexible according to soft material layer 101 ', and soft Material layer 101 ' is integratedly stretched.
In the present embodiment, using opaque pixel electrode as upper electrode 103, but present embodiment is not Be defined in this, variation that can also be as be described hereinafter like that, using using structure of the transparency electrode as upper electrode.
(action of soft material)
As shown in Fig. 8 (a), in the state of voltage is not applied to display element 10 ', with the one of soft material layer 101 ' The sectional area in the section parallel with x/y plane for the opaque upper electrode 103 that ground stretches is minimum, therefore, display element 10 ' Aperture opening ratio it is maximum, the lightness of the image shown by display element 10 ' is maximum.So, present embodiment has display member The display panel of part 10 ', is the display panel of the maximum Chang Bai of aperture opening ratio in the state of without application voltage.
On the other hand, shown in such as Fig. 8 (b), become to greatest extent being applied with soft material layer 101 ' to display element 10 ' In the state of the voltage of shape while applying (voltage), the region for being provided only with upper electrode 103 of soft material layer 101 ', partly to The direction elongation parallel with x/y plane is (with above-mentioned flexible, the region quilt for being not provided with upper electrode 103 of soft material layer 101 ' Flexible region is pushed open, therefore, is extended to z-axis direction).Now, it is used as opaque pigment through the light of display element 10 ' The upper electrode 103 of electrode interdicts, and the lightness of the image shown by display element 10 ' is minimum.
The deflection for the soft material layer 101 ' that display element 10 ' possesses changes according to the magnitude of voltage being applied in.Signal wire Drive circuit 46 applies the magnitude of voltage calculated according to the picture signal being transfused to via source signal line S to display element 10 ', Therefore, in order to show the image with desired lightness, as long as applying corresponding voltage.
The variation ＞ of ＜ embodiments 2
Hereinafter, reference picture 9 is illustrated to a variation of second embodiment.
(structure of display panel)
Fig. 9 (a) is to represent to replace upper electrode 103 to use the structure of transparency electrode 113 in this second embodiment Figure.As shown in Fig. 9 (a), on the top of soft material layer 101 ', covering transparent electrode is provided integrally with soft material layer 101 ' The opaque insulating properties pigment 109 in the region beyond 113.The action of above-mentioned soft material layer 101 ' and upper electrode 103 and the Two embodiments are identical.Above-mentioned transparency electrode 113 and insulating properties pigment 109 have flexibility, according to stretching for soft material layer 101 ' Contracting, integratedly stretches with soft material layer 101 '.
(action of soft material)
According to structure as described above, in the state of voltage is not applied to soft material layer 101 ', opaque insulation Property pigment 109 the section parallel with x/y plane sectional area it is maximum.Now, through display element 10 ' light by insulating properties color Element 109 interdicts, therefore, and the aperture opening ratio of display element 10 ' is minimum.Now, the lightness of the image shown by display element 10 ' is most It is small.So, the display panel 41 ' for possessing display element 10 ' of this variation is normally-black display panel.
In addition, when voltage applies, the sectional area in the section parallel with x/y plane of transparency electrode 113 is maximum, display member The aperture opening ratio of part 10 ' is maximum.Now, the lightness of the image shown by display element 10 ' is maximum.What display element 10 ' possessed The deflection of soft material layer 101 ' changes according to the magnitude of voltage being applied in.Signal-line driving circuit 46 is via source signal line S The magnitude of voltage calculated according to the picture signal being transfused to is applied to display element 10 ', therefore, in order to show with desired bright The image of brightness, as long as applying corresponding voltage.
(effect of present embodiment)
In the present embodiment, using display panel 41 ', the display panel 41 ' is characterised by possessing：According to itself The voltage that is applied in and flexible soft material layer 101 '；With it is integratedly flexible upper according to the flexible of above-mentioned soft material layer 101 ' Portion's electrode 103.Above-mentioned soft material layer 101 ' is integrally provided relative to multiple display elements 10 ', be therefore, there is no need to patterning and is added Work, with low cost, the effect easily maximized.In addition, being used transparent or opaque by replacing upper electrode 103 Pixel electrode, the display color of the display panel 41 ' when can power supply be disconnected is set as transparent or opaque, can also use In transparent display etc..
The ＞ of ＜ embodiments 3
Hereinafter, reference picture 10 is illustrated to the display panel of third embodiment of the present invention.In addition, for convenience of explanation For the sake of, there is the inscape of identical function for the inscape with embodiment 1, assign identical symbol, omit it and say It is bright.In the present embodiment, the main structure for illustrating the display element 10 " as the big difference with first embodiment.
(structure of display panel)
Figure 10 is the stereogram of the structure for the display panel 41 " for schematically showing present embodiment.X-axis side in Figure 10 It is identical to, y-axis direction and the definition in z-axis direction and Fig. 2 of first embodiment.As shown in Figure 10 (a), display panel 41 " The multiple display elements 10 " possessed are each provided with soft material layer 101 ", pixel electrode 102, pixel electrode 114, transparency carrier 104 With TFT substrate 105, soft material layer 101 ", pixel electrode 102 and upper electrode 103 are arranged on transparency carrier 104 and TFT substrate Between 105.Upper electrode 103 is connected with upper electrode line (not shown) (also referred to as opposite electrode bus), by above-mentioned top 44 pairs of the electrode drive circuit upper electrode line applies voltage.
The display element 10 " of present embodiment have with first embodiment identical structure, still, instead of upper electrode 103, and possess C (Cyan：Cyan), M (Magenta：Magenta) and Y (Yellow：Yellow) wantonly a kind of face in this 3 kinds of colors The pixel electrode 114 of color.
As shown in Figure 10 (b), the display panel 41 " of present embodiment, which has, will be provided with 3 kinds of mutually different colors The structure that the display element 10 " of pixel electrode 114 is laminated in z-axis direction.In example shown in (b) in Figure 10, pixel electrode 114 (a) uses C pixel electrode, and pixel electrode 114 (b) uses M pixel electrode, and pixel electrode 114 (c) uses Y pigment Electrode.
(display of coloured image)
In the state of voltage is not applied to each display element 10 " of the stacking of display panel 41 " (when usual, electricity When source disconnects), the sectional area in the section parallel with x/y plane of each soft material layer 101 " and pixel electrode 114 is minimum, therefore, The aperture opening ratio of display element 10 " is maximum.Now, the lightness of the image shown by display element 10 " is maximum.So, this implementation The display panel with display element 10 " of mode, is the aobvious of the maximum Chang Bai of aperture opening ratio in the state of without application voltage Show panel.
On the other hand, shown in such as Figure 10 (b), the maximum limit of soft material layer 101 " is being applied with to each display element 10 " In the state of the voltage of degree ground deformation, the sectional area in the section parallel with x/y plane of soft material layer 101 " and pixel electrode 114 It is maximum.Now, the pixel electrode 114 possessed successively through display element 10 " through the light of each display element 10 ", therefore, shows Show that the lightness for the image that panel 41 " is shown is minimum.
The deflection for the soft material layer 101 " that display element 10 " possesses changes according to the magnitude of voltage being applied in.Signal wire Drive circuit 46 applies the magnitude of voltage calculated according to the picture signal being transfused to via source signal line S to display element 10 ", Therefore, in order to show the image with desired lightness, as long as applying corresponding voltage.In addition, by respectively The magnitude of voltage applied to each display element 10 " is controlled, the color and tone variations for the pixel that display panel shows can be made.
(effect of present embodiment)
In the present embodiment, using display panel 41 ", the display panel 41 " is characterised by possessing：According to itself The voltage that is applied in and flexible soft material layer 101 "；With the color integratedly flexible according to the flexible of above-mentioned soft material layer 101 " Plain electrode 114.With the structure for being laminated display element 10 ", the display element 10 " possesses with many of mutually different color Individual pixel electrode 114, therefore, compared with the area segmentation of the structure without stacking, aperture opening ratio is changed into 3 times, it is possible to increase light Utilization ratio.
In addition, transparency carrier 104 is provided with the top of each display element 10 ", in the bottom of each display element 10 " It is provided with transparent TFT substrate 105.The display panel 41 " of present embodiment has the knot for being laminated above-mentioned display element 10 " Structure, therefore, it is possible to cut down transparency carrier 104.More specifically, because：In example shown in (b) in Figure 10, under Layer is provided with the display element 10 " of the pixel electrode 114 (c) with Y, and tool is further set on the top of the display element 10 " The display element 10 " of standby M pixel electrode 114 (b), therefore, under the display element 10 " for the pixel electrode 114 (b) for possessing M The TFT substrate 105 in portion plays the work of the transparency carrier 104 on the top of the display element 10 " of the pixel electrode 114 (c) with Y With.Hereinafter, by being similarly laminated display element 10 ", transparency carrier 104 can be cut down, therefore, it is possible to drop manufacturing cost It is low.
(summary)
In order to solve above-mentioned technical problem, the display panel of mode 1 of the invention possesses：Multiple grid bus；It is multiple Source bus line；And display element, the display element is arranged on by the arbitrary grid bus in above-mentioned multiple grid bus and upper The pixel region that the arbitrary source bus line in multiple source bus lines delimited is stated, above-mentioned display panel is characterised by, above-mentioned aobvious Show that element possesses：Transistor, the transistor possesses grid and source electrode, and above-mentioned grid is connected with above-mentioned arbitrary grid bus, on Source electrode is stated to be connected with above-mentioned arbitrary source bus line；First electrode, the first electrode is connected with the drain electrode of above-mentioned transistor；Softwood Material, the soft material contiguously configures with above-mentioned first electrode, the voltage being applied according to itself and stretch；And second electrode, should Second electrode is integrally provided in the opposite side of the side contacted with above-mentioned first electrode of above-mentioned soft material with above-mentioned soft material.
Multiple display elements that the display panel constituted as described above possesses are each provided with being stretched by applying voltage The second electrode that the soft material of contracting integratedly stretches.Above-mentioned display element, passes through the second electrode integratedly stretched with soft material Flexible, aperture opening ratio change.The display panel of the present invention does not need Polarizer, therefore, it is possible to improve light utilization ratio and make Consumption electric power is reduced.In addition, because soft material is integrally provided with second electrode, efficient voltage can be carried out and applied Plus, therefore, it is possible to improve the response speed of soft material.
Thus, can be real while the complication of manufacturing process is avoided according to the display panel constituted as described above Existing high-speed response, high light utilization ratio, low consumption electric power.
In addition, in the display panel of the mode 2 of the present invention, preferably：In aforesaid way 1, above-mentioned second electrode and upper Soft material is stated to set respectively by each display element.
The display panel constituted as described above, passes through the second electrode for controlling to set respectively by each display element respectively And soft material, the lightness for the image that each display element shows can be made different.
Thus,, can be suitably by controlling each display element respectively according to the display panel constituted as described above Image is carried out to show.
In addition, in the display panel of the mode 3 of the present invention, preferably：In aforesaid way 2, above-mentioned soft material is transparent , above-mentioned second electrode is opaque.
The display panel constituted as described above, can by with transparent soft material integratedly flexible opaque the Two electrodes it is flexible, to control the aperture opening ratio of display panel.
Thus, according to the display panel constituted as described above, it can suitably carry out image and show.
In addition, in the display panel of the mode 4 of the present invention, being configured to：In aforesaid way 1, above-mentioned soft material It is integrally provided relative to multiple display elements, above-mentioned second electrode is set respectively by each display element.
In the display panel constituted as described above, soft material is not carried out patterning processing, aobvious relative to multiple Show that element is integrally provided.That is, in display panel, relative to arbitrary display element and display element adjacent thereto, if It is equipped with integral soft material.Each display element in above-mentioned multiple display elements, by with soft material integratedly flexible the Flexible, the aperture opening ratio change of two electrodes.
Thus, according to the display panel constituted as described above, it is not necessary to implement accurate processing to soft material, therefore, The maximization of low cost and display panel can be realized.
In addition, in the display panel of the mode 5 of the present invention, preferably：In aforesaid way 4, above-mentioned soft material is transparent , above-mentioned second electrode is opaque.
In the display panel constituted as described above, soft material is not carried out patterning processing, aobvious relative to multiple Show that element is integrally provided.That is, in display panel, relative to arbitrary display element and display element adjacent thereto, if It is equipped with integral soft material.Each display element in above-mentioned multiple display elements, by with soft material integratedly flexible the Flexible, the aperture opening ratio change of two electrodes.
The display panel constituted as described above, can by with transparent soft material integratedly flexible opaque the Two electrodes it is flexible, to control the aperture opening ratio of display panel.
Thus, according to the display panel constituted as described above, it can suitably carry out image and show.
In addition, in the display panel of the mode 6 of the present invention, being configured to：In aforesaid way 4, above-mentioned soft material It is transparent, the opposite side in the side contacted with above-mentioned first electrode of above-mentioned soft material with above-mentioned second electrode, it is and above-mentioned Soft material is provided integrally with the opaque layer for covering the region beyond above-mentioned second electrode.
, can be by integratedly flexible opaque with transparent soft material according to the display panel constituted as described above Second electrode it is flexible, to control the aperture opening ratio of display panel.
Thus, according to the display panel constituted as described above, it can suitably carry out image and show.
In addition, in the display panel of the mode 7 of the present invention, any one mode preferably in aforesaid way 1 to 6, possessing： Possesses the above-mentioned display element of the colored filter of red；Possesses the above-mentioned display element of the colored filter of green；With possess The above-mentioned display element of the colored filter of blueness.
According to the display panel constituted as described above, coloured image can be shown.
In addition, the display panel of the mode 8 of the present invention can be by will show formed by following display panel stacking Show panel：Display panel in aforesaid way 2 or 4, wherein, above-mentioned second electrode passes through the light of blue or green (C) color；Aforesaid way 2 Or the display panel in 4, wherein, above-mentioned second electrode passes through the light of pinkish red (M) color；With showing in above-mentioned embodiment 2 or 4 Show panel, wherein, above-mentioned second electrode passes through the light of yellow (Y) color.
According to the display panel constituted as described above, coloured image can be shown while aperture opening ratio is improved.
In addition, in the display panel of the mode 9 of the present invention, preferably：In any one mode in aforesaid way 1 to 8, Above-mentioned transistor is with TFT (the Thin Film Transistor using oxide semiconductor as the semiconductor layer of material：It is thin Film transistor).
Oxide semiconductor TFT is used in fine liquid crystal display and organic el display etc., is moved with carrier The feature such as shifting rate height, small characteristic deviation, material and technique low cost.
Thus, according to the display panel constituted as described above, it can show response speed and tonal gradation and improve, and And realize low cost.
In addition, in the display panel of the mode 10 of the present invention, preferably：In aforesaid way 9, above-mentioned oxide semiconductor For InGaZnO type oxide semiconductors.
In the display panel constituted as described above, use the IGZO's as InGaZnO type oxide semiconductors IGZO TFT, being compared with Si classes TFT has higher knot pressure-resistant, therefore, it is possible to apply high voltage, can make the property of display It, can particularly improve motion-picture performance and tonal gradation performance improved.
Thus, according to the display panel constituted as described above, it can show response speed and tonal gradation and improve.
In addition, in the display panel of the mode 11 of the present invention, preferably：Any one mode in aforesaid way 1 to 10 In, above-mentioned soft material is dielectric polymer EAP (Electro Active Polymer：Electroactive polymer).
In the display panel constituted as described above, dielectric polymer has high-speed response, high flexible feature.
Thus, according to the display panel constituted as described above, raising, the raising of aperture opening ratio of high-speed response can be realized With low consumption electric power.
In addition, in the display panel of the mode 12 of the present invention, preferably：In aforesaid way 11, above-mentioned dielectric polymer For acrylic elastomer.
As the acrylic elastomer of dielectric polymer, there is larger deflection compared with other materials.In addition, tool There is the feature that can be responded at high speed.
Thus, according to the display panel constituted as described above, it can realize that the raising of high-speed response, aperture opening ratio enter one Step is improved and low consumption electric power.
In addition, the display device of the mode 13 of the present invention is preferably provided with：In any one mode in aforesaid way 1 to 12 Display panel；With the light source to the display panel irradiation light.
, can be using the light source itself possessed, therefore, it is possible to improve dark according to the display device constituted as described above The visibility at place.
In addition, the display device of the mode 14 of the present invention is configured to possess：Any one side in aforesaid way 1 to 12 Display panel in formula；With the reflecting plate abreast configured with the display panel.
According to the display device constituted as described above, because light present in environment is used as light source, energy Enough reduce consumption electric power.
In addition, the manufacture method of the display panel of the mode 15 of the present invention, for the display panel in manufacture aforesaid way 1 Manufacture method, it is characterised in that the process including forming above-mentioned second electrode and above-mentioned soft material respectively by each display element.
According to above-mentioned display panel manufacture method, the effect same with above-mentioned display panel can be obtained.
In addition, the manufacture method of the display panel of the mode 16 of the present invention, for the display panel in manufacture aforesaid way 1 Manufacture method, it is characterised in that including：Relative to the process that above-mentioned soft material is integrally formed in multiple display elements；With by every The process that individual display element forms above-mentioned second electrode respectively.
According to above-mentioned display panel manufacture method, the effect same with above-mentioned display panel can be obtained.
(additional things)
The present invention is not limited to above-mentioned each embodiment, and various changes can be carried out in the range of claim is represented More, embodiment this hair will be also contained in obtained from disclosed technological means is appropriately combined respectively in various embodiments In bright technical scope.In addition, being combined by the way that disclosed technological means will be distinguished in each embodiment, new skill can be formed Art feature.
Industrial applicability
The display device of the present invention, which can be used in liquid crystal display device, organic EL display and Electronic Paper etc. and use, to be had The various display devices of source matrix mode.
Symbol description
10 display elements (pixel)
101 soft material layers (soft material)
102 pixel electrodes (first electrode, lower electrode)
103 upper electrodes (second electrode, opposite electrode)
104 transparency carriers
105 TFT substrates
106 TFT (transistor)
107 dielectric films
108 colored filters
109 insulating properties pigments
111 backlight modules
112 reflecting plates
113 transparency electrodes
114 pixel electrodes
30 system side control units
40 display devices
41 display panels
42 timing controllers
43 power circuits
44 upper electrode drive circuits
45 scan line drive circuits
46 signal-line driving circuits
50 electronic equipments
61 oxide semiconductors (InGaZnO type oxides semiconductor)
62 gate insulating films (GI)
63 transparent insulating films (JAS)
64 passivating films (Pass)
65 source electrodes (SE)
66 etch stop layers (ES)
67 grids (Gate)

Claims (11)

1. a kind of display panel, it possesses：
Multiple grid bus；
Multiple source bus lines；With
Display element, the display element is arranged on by the arbitrary grid bus in the multiple grid bus and the multiple source The pixel region that arbitrary source bus line in the bus of pole delimited,
The display panel is characterised by：
The display element possesses：
Transistor, the transistor possesses grid and source electrode, and the grid is connected with the arbitrary grid bus, the source electrode with The arbitrary source bus line connection；
First electrode, the first electrode is connected with the drain electrode of the transistor；
Soft material, the soft material is contiguously configured with the first electrode, the voltage being applied according to itself and stretch；With
Second electrode, the second electrode the side contacted with the first electrode of the soft material opposite side with it is described soft Material is integrally provided, and is integratedly stretched according to the flexible of the soft material,
The soft material is integrally provided relative to multiple display elements,
The second electrode is set respectively by each display element,
The soft material and the second electrode be it is transparent,
Opposite side in the side contacted with the first electrode of the soft material, is provided integrally with the soft material and covers The opaque layer in the region covered beyond the second electrode.
2. display panel as claimed in claim 1, it is characterised in that possess：
Possesses the display element of the colored filter of red；
Possesses the display element of the colored filter of green；With
Possesses the display element of the colored filter of blueness.
3. a kind of display panel, it is characterised in that formed by the way that following display panel is laminated：
Display panel described in claim 1, wherein, the second electrode passes through the light of cyan；
Display panel described in claim 1, wherein, the second electrode passes through the light of magenta；With
Display panel described in claim 1, wherein, the second electrode passes through the light of yellow.
4. display panel as claimed any one in claims 1 to 3, it is characterised in that：
The transistor is with the TFT using oxide semiconductor as the semiconductor layer of material.
5. display panel as claimed in claim 4, it is characterised in that：
The oxide semiconductor is InGaZnO type oxide semiconductors.
6. display panel as claimed any one in claims 1 to 3, it is characterised in that：
The soft material is dielectric polymer.
7. display panel as claimed in claim 6, it is characterised in that：
The dielectric polymer is acrylic elastomer.
8. a kind of display device, it is characterised in that possess：
Display panel any one of claim 1 to 7；With the light source to the display panel irradiation light.
9. a kind of display device, it is characterised in that possess：
Display panel any one of claim 1 to 7；With the reflecting plate abreast configured with the display panel.
10. a kind of manufacture method, it is the manufacture method of the display panel described in manufacturing claims 1, it is characterised in that：
Process including forming the second electrode and the soft material respectively by each display element.
11. a kind of manufacture method, it is the manufacture method of the display panel described in manufacturing claims 1, it is characterised in that bag Include：
Relative to the process that the soft material is integrally formed in multiple display elements；With
The process for forming the second electrode respectively by each display element.
CN201380047752.7A 2012-09-14 2013-09-10 Display panel, display device and manufacture method Expired - Fee Related CN104620154B (en)

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